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A too-loose strap on the other hand leads to pretty inaccurate heart rate measurements.
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While the Charge 5 has a built-in GPS that can be helpful in logging outdoor activities, reviewers claim that the sensor has problems if the strap is too loose.
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The Versa should be fine for up to 2 days without charging. With the Charge, you should get around 7 days (reviewers claim that 5 days is more realistic). Both devices are great for logging workouts or as an everyday companion and while they are both equally water-resistant, the battery life of the Charge 5 is significantly better than the Versa 2’s. Deciding whether the Charge 5 or the Versa 2 is the right device for you can be quite challenging.
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